US8916274B2 - Organic light emitting device - Google Patents
Organic light emitting device Download PDFInfo
- Publication number
- US8916274B2 US8916274B2 US12/145,080 US14508008A US8916274B2 US 8916274 B2 US8916274 B2 US 8916274B2 US 14508008 A US14508008 A US 14508008A US 8916274 B2 US8916274 B2 US 8916274B2
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- organic
- light emitting
- organic light
- emitting device
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
- H10K50/171—Electron injection layers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/20—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
-
- H01L51/5092—
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- H01L51/0058—
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/917—Electroluminescent
Definitions
- aspects of the present invention relate to an organic light emitting device, and more particularly, to an organic light emitting device which obtains stable image qualities through prevention of any significant decrease in brightness.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
where R1 and R2 are each, independently, hydrogen, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C4-C30 heteroaryl group, or a substituted or unsubstituted C6-C30 condensed multi-ring group, a hydroxy group, a halogen group, a cyano group, or a substituted or unsubstituted amino group.
where R1 and R2 are each, independently, hydrogen, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C4-C30 heteroaryl group, or a substituted or unsubstituted C6-C30 condensed multi-ring group, a hydroxy group, a halogen group, a cyano group, or a substituted or unsubstituted amino group. The
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2007-102578 | 2007-10-11 | ||
KR10-2007-0102578 | 2007-10-11 | ||
KR1020070102578A KR100879477B1 (en) | 2007-10-11 | 2007-10-11 | Organic light emitting device |
Publications (2)
Publication Number | Publication Date |
---|---|
US20090096357A1 US20090096357A1 (en) | 2009-04-16 |
US8916274B2 true US8916274B2 (en) | 2014-12-23 |
Family
ID=40246741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/145,080 Active 2033-08-27 US8916274B2 (en) | 2007-10-11 | 2008-06-24 | Organic light emitting device |
Country Status (5)
Country | Link |
---|---|
US (1) | US8916274B2 (en) |
EP (1) | EP2048721B1 (en) |
JP (1) | JP5300300B2 (en) |
KR (1) | KR100879477B1 (en) |
CN (1) | CN101409329A (en) |
Cited By (1)
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---|---|---|---|---|
US10944069B2 (en) | 2017-12-21 | 2021-03-09 | Samsung Display Co., Ltd. | Organic electroluminescence device, method for manufacturing the same, and display device including the same |
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KR101156428B1 (en) * | 2009-06-01 | 2012-06-18 | 삼성모바일디스플레이주식회사 | Organic light emitting device |
DE102009041289A1 (en) * | 2009-09-16 | 2011-03-17 | Merck Patent Gmbh | Organic electroluminescent device |
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JP5113865B2 (en) * | 2010-03-11 | 2013-01-09 | 株式会社東芝 | Method for manufacturing organic electroluminescence display device |
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KR101747729B1 (en) * | 2010-12-28 | 2017-06-19 | 엘지디스플레이 주식회사 | Organic light emitting device of manufacturing method and display device of manufacturing method |
JP2012186392A (en) * | 2011-03-07 | 2012-09-27 | Seiko Epson Corp | Light-emitting element, light-emitting device, display device, and electronic apparatus |
US9403795B2 (en) * | 2011-08-05 | 2016-08-02 | Samsung Display Co., Ltd. | Carbazole-based compound and organic light-emitting diode comprising the same |
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JP2015018770A (en) * | 2013-07-12 | 2015-01-29 | パナソニックIpマネジメント株式会社 | Organic electroluminescent element and lighting device |
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KR102124045B1 (en) | 2014-05-02 | 2020-06-18 | 삼성디스플레이 주식회사 | Organic light emitting device |
WO2015190550A1 (en) * | 2014-06-12 | 2015-12-17 | シャープ株式会社 | Organic element |
KR20150144710A (en) * | 2014-06-17 | 2015-12-28 | 롬엔드하스전자재료코리아유한회사 | Electron Buffering Material and Organic Electroluminescent Device |
WO2015194839A1 (en) * | 2014-06-17 | 2015-12-23 | Rohm And Haas Electronic Materials Korea Ltd. | Electron buffering material and organic electroluminescent device |
US20170213996A1 (en) * | 2014-07-18 | 2017-07-27 | Konica Minolta, Inc. | Organic electroluminescent element |
KR102318419B1 (en) | 2015-02-24 | 2021-10-28 | 삼성디스플레이 주식회사 | Organic light emitting device |
KR102500272B1 (en) | 2015-09-16 | 2023-02-16 | 삼성디스플레이 주식회사 | Compound and Organic light emitting device comprising same |
KR102476207B1 (en) * | 2015-11-12 | 2022-12-08 | 삼성전자주식회사 | Method for operating semiconductor device and semiconductor system |
KR102579752B1 (en) | 2015-12-22 | 2023-09-19 | 삼성디스플레이 주식회사 | Organic light emitting device |
KR102384293B1 (en) * | 2015-12-22 | 2022-04-08 | 삼성디스플레이 주식회사 | Organic light emitting device |
KR20170075122A (en) | 2015-12-22 | 2017-07-03 | 삼성디스플레이 주식회사 | Organic light emitting device |
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JP6156521B2 (en) * | 2016-01-07 | 2017-07-05 | コニカミノルタ株式会社 | Organic electronics element, display device and lighting device |
KR101891168B1 (en) * | 2016-10-31 | 2018-08-23 | 엘지디스플레이 주식회사 | Organic compound and organic light emitting diode and organic light emittid display device having the compound |
CN106654030A (en) | 2016-12-14 | 2017-05-10 | 上海天马有机发光显示技术有限公司 | Organic light-emitting display panel and device |
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JP6633716B1 (en) | 2018-10-26 | 2020-01-22 | 株式会社Joled | Organic EL element, method of manufacturing organic EL element, and organic EL panel, method of manufacturing organic EL panel, organic EL display device, and electronic device |
CN111697036A (en) | 2019-03-15 | 2020-09-22 | 株式会社日本有机雷特显示器 | Self-luminous element and manufacturing method thereof, self-luminous display device and electronic equipment |
US20220209166A1 (en) * | 2019-04-11 | 2022-06-30 | Sharp Kabushiki Kaisha | Light-emitting element and display device |
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JP7424830B2 (en) * | 2019-12-27 | 2024-01-30 | JDI Design and Development 合同会社 | Organic EL element, organic EL display panel, and method for manufacturing organic EL element |
KR20210127291A (en) * | 2020-04-13 | 2021-10-22 | 삼성디스플레이 주식회사 | Heterocyclic compound and organic light emitting device including the same |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002014221A (en) | 2000-06-30 | 2002-01-18 | Sumitomo Chem Co Ltd | Color filter array having green filter layer and method for manufacturing the same |
US20020106531A1 (en) * | 2000-12-28 | 2002-08-08 | Katsuyuki Naito | Organic electroluminescent device and display apparatus |
KR20030052028A (en) | 2001-12-20 | 2003-06-26 | 엘지전자 주식회사 | organic electroluminescent display device |
US20040032206A1 (en) | 2002-08-16 | 2004-02-19 | Weaver Michael S. | Efficiency transparent cathode |
KR200352028Y1 (en) | 2004-03-05 | 2004-06-02 | 김재근 | mothproof wardrobe |
US20050014021A1 (en) | 2003-06-26 | 2005-01-20 | Seiko Epson Corporation | Organic electroluminescent device and method of manufacturing the same, and electronic apparatus |
US20050064235A1 (en) | 2003-09-24 | 2005-03-24 | Eastman Kodak Company | Blue organic electroluminescent devices having a non-hole-blocking layer |
JP2005150078A (en) | 2003-10-24 | 2005-06-09 | Pentax Corp | White organic electroluminescent element |
WO2006103909A1 (en) | 2005-03-28 | 2006-10-05 | Konica Minolta Holdings, Inc. | Organic electroluminescent device, display and illuminating device |
CN1845647A (en) | 2005-04-07 | 2006-10-11 | 友达光电股份有限公司 | Organic electroluminescent assembly and manufacturing method thereof |
US20070020483A1 (en) | 2005-07-25 | 2007-01-25 | Lg Electronics Inc. | Organic electroluminescence device and method for fabricating the same |
US20070029539A1 (en) * | 2005-08-04 | 2007-02-08 | Canon Kabushiki Kaisha | Light-emitting element array and display apparatus |
US20070054151A1 (en) * | 2005-09-08 | 2007-03-08 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence device |
US20070057630A1 (en) | 2005-09-15 | 2007-03-15 | Fuji Photo Film Co., Ltd. | Organic electroluminescent element |
JP2007110102A (en) | 2005-09-15 | 2007-04-26 | Fujifilm Corp | Organic electroluminescence element |
KR20070049080A (en) | 2005-11-07 | 2007-05-10 | 주식회사 엘지화학 | Organic electroluminescent device and method for preparing the same |
KR20070067987A (en) | 2005-12-26 | 2007-06-29 | 삼성에스디아이 주식회사 | Organic electro-luminescent display |
JP2007234248A (en) | 2006-02-27 | 2007-09-13 | Kyocera Corp | Deposition mask and manufacturing method of organic el display using it |
US20080111480A1 (en) * | 2006-11-13 | 2008-05-15 | Samsung Electronics Co., Ltd | Organic light-emitting device |
-
2007
- 2007-10-11 KR KR1020070102578A patent/KR100879477B1/en active IP Right Grant
-
2008
- 2008-03-28 JP JP2008087700A patent/JP5300300B2/en active Active
- 2008-06-24 US US12/145,080 patent/US8916274B2/en active Active
- 2008-07-24 CN CNA2008101320707A patent/CN101409329A/en active Pending
- 2008-10-10 EP EP08166338A patent/EP2048721B1/en active Active
Patent Citations (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002014221A (en) | 2000-06-30 | 2002-01-18 | Sumitomo Chem Co Ltd | Color filter array having green filter layer and method for manufacturing the same |
US20020045111A1 (en) | 2000-06-30 | 2002-04-18 | Kazuhiro Machiguchi | Color filter array having a green filter layer |
US20020106531A1 (en) * | 2000-12-28 | 2002-08-08 | Katsuyuki Naito | Organic electroluminescent device and display apparatus |
KR20030052028A (en) | 2001-12-20 | 2003-06-26 | 엘지전자 주식회사 | organic electroluminescent display device |
US20040032206A1 (en) | 2002-08-16 | 2004-02-19 | Weaver Michael S. | Efficiency transparent cathode |
US7229704B2 (en) | 2003-06-26 | 2007-06-12 | Seiko Epson Corporation | Organic electroluminescent device and method of manufacturing the same, and electronic apparatus |
US20050014021A1 (en) | 2003-06-26 | 2005-01-20 | Seiko Epson Corporation | Organic electroluminescent device and method of manufacturing the same, and electronic apparatus |
JP2005038819A (en) | 2003-06-26 | 2005-02-10 | Seiko Epson Corp | Organic el device and its manufacturing method, as well as electronic equipment |
CN1856888A (en) | 2003-09-24 | 2006-11-01 | 伊斯曼柯达公司 | OLED having non-hole blocking buffer layer |
US20050064235A1 (en) | 2003-09-24 | 2005-03-24 | Eastman Kodak Company | Blue organic electroluminescent devices having a non-hole-blocking layer |
JP2005150078A (en) | 2003-10-24 | 2005-06-09 | Pentax Corp | White organic electroluminescent element |
KR200352028Y1 (en) | 2004-03-05 | 2004-06-02 | 김재근 | mothproof wardrobe |
WO2006103909A1 (en) | 2005-03-28 | 2006-10-05 | Konica Minolta Holdings, Inc. | Organic electroluminescent device, display and illuminating device |
GB2439013A (en) | 2005-03-28 | 2007-12-12 | Konica Minolta Holdings Inc | Organic electroluminescent device, display and illuminating device |
CN1845647A (en) | 2005-04-07 | 2006-10-11 | 友达光电股份有限公司 | Organic electroluminescent assembly and manufacturing method thereof |
US20070020483A1 (en) | 2005-07-25 | 2007-01-25 | Lg Electronics Inc. | Organic electroluminescence device and method for fabricating the same |
US20070029539A1 (en) * | 2005-08-04 | 2007-02-08 | Canon Kabushiki Kaisha | Light-emitting element array and display apparatus |
US20070054151A1 (en) * | 2005-09-08 | 2007-03-08 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence device |
JP2007110102A (en) | 2005-09-15 | 2007-04-26 | Fujifilm Corp | Organic electroluminescence element |
US20070057630A1 (en) | 2005-09-15 | 2007-03-15 | Fuji Photo Film Co., Ltd. | Organic electroluminescent element |
KR20070049080A (en) | 2005-11-07 | 2007-05-10 | 주식회사 엘지화학 | Organic electroluminescent device and method for preparing the same |
KR20070067987A (en) | 2005-12-26 | 2007-06-29 | 삼성에스디아이 주식회사 | Organic electro-luminescent display |
JP2007234248A (en) | 2006-02-27 | 2007-09-13 | Kyocera Corp | Deposition mask and manufacturing method of organic el display using it |
US20080111480A1 (en) * | 2006-11-13 | 2008-05-15 | Samsung Electronics Co., Ltd | Organic light-emitting device |
Non-Patent Citations (9)
Title |
---|
Chinese Office Action issued on Apr. 16, 2013 in connection with Chinese Patent Application No. 200810132070.7 which claims Korean Patent Application No. 10-2007-0102578 and Request for Entry of the Accompanying Office Action attached herewith. |
Chinese Office Action issues by Chinese Patent Office on Nov. 14, 2012 in the examination of the Chinese Patent Application No. 200810132070.7, which corresponds to Korean Patent Application No. 10-2007-0102578, and Request for Entry of the Accompanying Office Action attached herewith. |
Extended European Search Report issued by the European Patent Office on Feb. 2, 2009. |
Grote et al. "Organic photonic materials and devices VIII." Proceedings of the SPIE, vol. 6117, pp. 185-193 (2006). |
Japanese Office Action dated Jul. 6, 2010, issued in corresponding Japanese Patent Application No. 2008-087700. |
Japanese Office Action issued by the JPO on Oct. 2, 2012 in the corresponding Japanese Patent Application No. 2008-087700. |
Kanno et al. "Development of OLED with high stability and luminance efficiency by co-doping methods for full color displays." IEEE Journal of Selected Topics in Quantum Electronics, vol. 10, No. 1, pp. 30-36 (2004). |
Korean Office Action issued Dec. 22, 2008 by the Korean Intellectual Property Office. |
The Chinese Office Action issued by Chinese Patent Office on Aug. 3, 2011, corresponding to CN 200810132070.7 and Request for Entry attached herewith. |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10944069B2 (en) | 2017-12-21 | 2021-03-09 | Samsung Display Co., Ltd. | Organic electroluminescence device, method for manufacturing the same, and display device including the same |
Also Published As
Publication number | Publication date |
---|---|
JP2009094456A (en) | 2009-04-30 |
KR100879477B1 (en) | 2009-01-20 |
EP2048721B1 (en) | 2011-12-14 |
CN101409329A (en) | 2009-04-15 |
EP2048721A1 (en) | 2009-04-15 |
JP5300300B2 (en) | 2013-09-25 |
US20090096357A1 (en) | 2009-04-16 |
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